1381841140

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{874583}}^1$

素因数の和:874671

約数の個数: 24

約数和(自身を含む): 2938602240

約数和(自身を除く): 1556761100

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 874583, 1749166, 3498332, 4372915, 8745830, 17491660, 69092057, 138184114, 276368228, 345460285, 690920570, 1381841140]

約数ペア:

[(1, 1381841140), (2, 690920570), (4, 345460285), (5, 276368228), (10, 138184114), (20, 69092057), (79, 17491660), (158, 8745830), (316, 4372915), (395, 3498332), (790, 1749166), (1580, 874583)]